{"action":"Upgrade oj to 3.17.3 or later.","affected":[{"fixed":"3.17.3","introduced":"0"}],"component":"oj","cve_ids":["CVE-2026-54896"],"ecosystem":"RubyGems","epss":0.002,"exploited":false,"fixed_versions":["3.17.3"],"ghsa_id":"GHSA-35w3-pjm6-wj95","id":"tcs_01M5KEG7NSQ8YZXJ8995JY0K76","modified_at":"2026-09-10T03:51:07.700603026Z","published_at":"2026-06-19T19:36:47Z","references":["https://osv.dev/vulnerability/GHSA-35w3-pjm6-wj95","https://github.com/ohler55/oj/security/advisories/GHSA-35w3-pjm6-wj95","https://github.com/ohler55/oj"],"severity":{"label":"low","score":2.1},"sources":[{"source":"osv","source_id":"GHSA-35w3-pjm6-wj95","url":"https://osv.dev/vulnerability/GHSA-35w3-pjm6-wj95"},{"source":"nvd","source_id":"CVE-2026-54896","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54896"}],"summary":"Oj: Heap Buffer Overflow in Oj.dump Exception Serialization via Large Indent"}